The United Kingdom constitution – a mapping exercise
A briefing paper which "maps" (or summarises) the main elements of the United Kingdom's uncodified constitution.

The National Security Bill 2022-23 was introduced in the House of Commons on 11 May 2022. It would replace existing counter-espionage laws with a comprehensive framework for countering hostile state activity. The Commons are due to consider Lords amendments on 3 May 2023.
National Security Bill: Lords amendments (382 KB , PDF)
The National Security Bill 2022-23 would replace existing counter-espionage laws with a comprehensive framework for countering hostile state activity analogous to the counter-terrorism framework established since 2000. It would create a foreign influence registration scheme with the aim of providing transparency around foreign activity and influence in the UK. It would also limit the availability of civil legal aid and damages for those connected with terrorist activity.
Significant Government amendments were tabled at Committee stage in the Commons, including:
For further background see the Library’s briefings for second reading in the Commons and following Committee stage.
The House of Lords Library produced a briefing covering the remaining stages in the Commons.
The Bill was introduced in the House of Lords on 17 November 2022. Significant amendments were made to the Bill by the Lords in Committee and on Report, including:
The Commons considered the Lords amendments on 3 May, disagreeing with amendments 22 and 122.
The Lords considered the Commons message on 21 June and voted to reinstate clauses 22B and 122B in lieu.
The Commons will consider the Lords amendments in lieu on 26 June.
Other relevant publications are on the Bill pages.
National Security Bill: Lords amendments (382 KB , PDF)
A briefing paper which "maps" (or summarises) the main elements of the United Kingdom's uncodified constitution.
The briefing sets out international commitments on freedom of religion or belief, reports of discrimination, and UK international work on the issue.
A general debate on the tenth anniversary of the Modern Slavery Act 2015 is scheduled to take place in the House of Commons Chamber on 27 March 2025.